|Series|Launch Date|Finale Date|Days|Housemates|Winner|Main Presenter|Grand Prize|Liveshow Audience Millions|
|---|---|---|---|---|---|---|---|---|
|Grande Fratello 1|14 September 2000|21 December 2000|99|10|Cristina Plevani|Daria Bignardi|£250,000,000 (nowadays €125,000)|9.82|
|Grande Fratello 2|20 September 2001|20 December 2001|92|16|Flavio Montrucchio|Daria Bignardi|£250,000,000 (nowadays €125,000)|8.00|
|Grande Fratello 3|30 January 2003|8 May 2003|99|16|Floriana Secondi|Barbara D'Urso|€241,000 (reduced from €300,000)|8.00|
|Grande Fratello 4|22 January 2004|6 May 2004|106|15|Serena Garitta|Barbara D'Urso|€300,000|8.44|
|Grande Fratello 5|23 September 2004|2 December 2004|71|17|Jonathan Kashanian|Barbara D'Urso|€250,000|6.86|
|Grande Fratello 6|19 January 2006|27 April 2006|99|18|Augusto De Megni|Alessia Marcuzzi|€900,000 (reduced from €1,000,000)|6.51|
|Grande Fratello 7|18 January 2007|19 April 2007|92|19|Milo Coretti|Alessia Marcuzzi|€500,000|5.57|
|Grande Fratello 8|21 January 2008|21 April 2008|92|21|Mario Ferretti|Alessia Marcuzzi|€500,000|5.46|
|Grande Fratello 9|12 January 2009|20 April 2009|99|23|Ferdi Berisa|Alessia Marcuzzi|€300,000|6.63|
|Grande Fratello 10|26 October 2009|8 March 2010|134|26|Mauro Marin|Alessia Marcuzzi|€250,000|6.16|
|Grande Fratello 11|18 October 2010|18 April 2011|183|35|Andrea Cocco|Alessia Marcuzzi|€300,000 (extended from €250,000)|5.43|
|Grande Fratello 12|24 October 2011|1 April 2012|161|36|Sabrina Mbarek|Alessia Marcuzzi|€240,000 (reduced from €250,000)|3.85|
|Grande Fratello 13|3 March 2014|Early June|92|15|TBA|Alessia Marcuzzi|€250,000|TBA|

Question: which season had the smallest audience?
Answer: 12